General information |
Alburnus alburnus (Linnaeus, 1758) |
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Common name | Bleak, Kuli Irani |
Synonyms |
- |
IUCN Red List status (2014) |
Least Concern (LC) |
Habitat |
Freshwater |
Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae. |
Geographical distribution |
Iran; Turkey; Russia; UK; Germany; France; Spain; Portugal; Italy; Greece; Bulgaria; Ukraine; Romania; Norway; Sweden; Denmark; Finland; Belgium; Netherlands; Andorra; Austria; Belarus; Cyprus; Czech Republic; Estonia; Hungary; Latvia; Liechtenstein; Lithuania; Luxembourg; Moldova; Poland; Serbia; Slovakia; Switzerland |
Occurrence |
native: Iran; native: Turkey; native: Russia; native: UK; native: Germany; native: France; introduced: Spain; introduced: Portugal; introduced: Italy; native: Greece; native: Bulgaria; native: Ukraine; native: Romania; questionable: Norway; native: Sweden; native: Denmark; native: Finland; native: Belgium; native: Netherlands; native: Andorra; native: Austria; native: Belarus; introduced: Cyprus; native: Czech Republic; native: Estonia; native: Hungary; native: Latvia; native: Liechtenstein; native: Lithuania; native: Luxembourg; native: Moldova; native: Poland; native: Serbia; native: Slovakia; native: Switzerland |
Remarks |
Contains 0-2 supernumerary B chromosomes. FISH of (GGGTTA)7 and (TAACCC)7 oligomers demonstrate telomeric signals in all metaphase chromosomes. |
Karyological information |
Record 1 |
Geographical area of study |
Germany (rivers Main, Danube, Elbe and the artificial lake Edersee). |
Source of chromosomes |
Spleen, kidneys, gills. |
Number of specimens with sex |
300 |
Diploid chromosome number |
50 |
Karyotype formula |
14m+14sm+14a+8t |
Fundamental arm number |
- |
Chromosome length |
- |
Sex chromosome |
Heteromorphic sex chromosomes not detected. |
Chromosome staining/banding/FISH |
Constitutive heterochromatin detected in centromeric and pericentromeric regions of most chromosomes and on entire lengths of both B chromosomes. Interstitial or telomeric C bands not demonstrated. Active NOR located in short arm of chromosome 16. The 5S rDNA signal found on one of chromosomes 1 and on both chromosomes nos. 24, while 18S+28S rDNA probe signals located on short arms of chromosome 16. |
Reference |
Schmid M, Ziegler CG, Steinlein C,Nanda I, Schart M. (2006). Cytogenetics of the bleak (Alburnus alburnus), with special emphasis on the B chromosomes. Chromosome Research 14: 231–242. |
Record 2 |
Geographical area of study |
Mouth of rivers entering Anzali Lagoon, Iran. |
Source of chromosomes |
Kidney and gill tissues. |
Number of specimens with sex |
30 fingerlings. |
Diploid chromosome number |
50 |
Karyotype formula |
14m+26sm+10st/a |
Fundamental arm number |
90 |
Chromosome length |
37.976 to 16.598 µm. |
Sex chromosome |
- |
Chromosome staining/banding/FISH |
- |
Reference |
Khosravanizadeh A, Pourkazemi M, Fashkhami MRN (2011). Karyology study on Bleak (Alburnus alburnus) from the South Caspian Sea region. Caspian J. Env. Sci., 9(1): 27-36. |
Cross Link |